adc1005bj National Semiconductor Corporation, adc1005bj Datasheet
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adc1005bj
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... Ordering Information Part Number NOTE: All versions of this device are obsolete ADC1005BCJ-1 ADC1005BCJ ADC1005CCJ-1 TRI-STATE ® registered trademark of National Semiconductor Corporation. © 2009 National Semiconductor Corporation 5261 Version 8 Revision 2 ADC1005 Features ■ Easy interface to all microprocessors ■ Differential analog voltage inputs ■ ...
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Absolute Maximum Ratings If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Supply Voltage ( Logic Control Inputs Voltage at Other Inputs and Outputs Input Current Per Pin Input ...
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Parameter Conditions DC Characteristics V Logical “1” Input V =5.25V IN(1) CC Voltage MIN (except CLK V , Logical “0” Input V =4.75V IN(0) CC Voltage MAX (Except CLK I , Logical “1” Input V =5. Current MAX ...
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AC Electrical Characteristics The following specifications apply for V apply from All other limits T MIN MAX Parameter f , Clock Frequency MIN CLK MAX Clock Duty Cycle MIN MAX t , Conversion Time MIN C ...
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Functional Diagram Typical Performance Characteristics Logic Input Threshold Voltage vs Supply Voltage 5261 Version 8 Revision 2 Delay from Falling Edge Output data Valid vs Load Capacitance 526121 5 Print Date/Time: 2009/08/26 22:47:16 526103 526122 www.national.com ...
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CLK IN Schmitt Trip Levels vs Supply Voltage Typical Linearity Error vs Clock Frequency Timing Diagrams www.national.com 526123 526125 Start Conversion 6 5261 Version 8 Revision 2 Print Date/Time: 2009/08/26 22:47:16 Output Current vs Temperature 526124 526105 ...
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Note: All timing is measured from the 50% voltage points. Byte Order DB7 MSB 1st Bit 9 2nd Bit 1 5261 Version 8 Revision 2 Output Enable and Reset INTR Byte Sequencing for ADC1005 8-Bit Data Bus Connection DB6 DB5 ...
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Block Diagram Note 9: CS shown twice for clarity. Note 10: SAR=Successive Approximation Register. Functional Description 1.0 GENERAL OPERATION A block diagram of the A/D converter is shown in of the inputs and outputs are shown and the major logic ...
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As long as the CS input and WR input remain low, the A/ D will remain in a reset state. Conversion will start after at least one of these inputs makes a low-to-high transition. 1.3 Output Control After the ...
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THE ANALOG INPUTS 3.1 Analog Differential Voltage Inputs and Common-Mode Rejection The differential inputs of these converters reduce the effects of common-mode input noise, which is defined as noise com- mon to both selected “+” and “−” inputs (60 ...
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POWER SUPPLIES Noise spikes on the V supply line can cause conversion CC errors as the comparator will respond to this noise. A low in- ductance tantalum filter capacitor should be used close to the pin and values of ...
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Typical Applications V (− ≤ ≤ XDR CC www.national.com Operating with Ratiometric Transducers Handling ±5V Analog Inputs 12 5261 Version 8 Revision 2 Print Date/Time: 2009/08/26 22:47:16 ...
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TRI-STATE Test Circuits and Waveforms 5261 Version 8 Revision 2 526107 t = =20 ns 526108 r 13 Print Date/Time: 2009/08/26 22:47: = 526109 ...
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Physical Dimensions Order Number ADC1005BCJ, ADC1005BCJ-1 or ADC1005CCJ-1 www.national.com inches (millimeters) unless otherwise noted Hermetic Dual-In-Line Package (J) NS Package Number J20A 14 5261 Version 8 Revision 2 Print Date/Time: 2009/08/26 22:47:16 ...
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Notes 15 5261 Version 8 Revision 2 Print Date/Time: 2009/08/26 22:47:16 www.national.com ...
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... National Semiconductor and the National Semiconductor logo are registered trademarks of National Semiconductor Corporation. All other brand or product names may be trademarks or registered trademarks of their respective holders. ...